Răspuns:
Explicație pas cu pas:
Împartirea a doua fractii se face Înmultind PRIMA fractie cu INVERSUL celei de a doua fractii
a)
3/7:5/8=3/7 x 8/5=24/35
b)
2/3:2/7=2/3 x 7/2=7/3
c)
5/8:3/4=5/8 x 4/3=5/6
d)
3/8: 2/3= 3/8 x 3/2=9/16
e)
4/7:8/9=4/7 x 9/8= 9/14
f)
14/39 :21/52=14/39 x 52/21 = 104/117
5
a)
8¹/₃ :2²/₃=25/3 :8/3= 25/3 x 3/8= 25/8
b)
3¹/₉ : 2¹¹/₄₂=28/9 : 95/42= 28/9 x 42/95=392/285
c)
11²/₅ :3⁴/5= 57/5 : 19/5= 57/5 x5/19 =57/19= 3
d)
4¹/₁₁ :2¹⁹/₂₂=45/11: 63/ 22=45/11 x 22/63 =10/7
e)
1⁵/₁₇ : 11 /51= 22/17 :11/51= 22/17 x 51/11 = 6
